Ключевые слова: application, broadcasting, class, communication, computer, concept, conference, course, cyberspace, design, digital, display, distance, distant, educate, education, educational, electronic, guide, information, internet, knowledge, learn, learning, lecture, lesson, marketing, media, modern, monitor, multimedia, online, school, seminar, stream, streaming, student, study, studying, teaching, technology, training, tutor, tutorial, video, web, website,